Practice ConcurrentHashMap - 4.6.1 | 4. Java Collections Framework (Advanced | Advance Programming In Java
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ConcurrentHashMap

4.6.1 - ConcurrentHashMap

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary purpose of ConcurrentHashMap?

💡 Hint: Think about how it handles multiple threads.

Question 2 Easy

Name a scenario where ConcurrentHashMap is preferable over HashMap.

💡 Hint: Consider multi-threading applications.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does ConcurrentHashMap allow multiple threads to do?

Modify the same value concurrently
Read and write simultaneously
Only read values

💡 Hint: Think about its purpose in multi-threaded applications.

Question 2

True or False: A ConcurrentHashMap allows NULL values.

True
False

💡 Hint: Consider the constraints of different map types.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a multi-threaded application that utilizes a ConcurrentHashMap to manage user sessions in a web server. Discuss how this will handle concurrent requests.

💡 Hint: Consider how the web server manages sessions for concurrent users.

Challenge 2 Hard

Explain the trade-offs of using ConcurrentHashMap in a situation where both read and write operations happen frequently. How would you address potential contention?

💡 Hint: Evaluate the balance between read and write operations in your application.

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